package com.ybb.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/jsp/logout.do")
public class LogoutServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
       //退出登录，userSession得丢掉，返回登录界面
        req.getSession().removeAttribute("userSession");
        resp.sendRedirect(req.getContextPath()+"/login.jsp");
    }
}
